Not likely), vacancy (@ 8% for me), and a possible PM (10% normally).I recommend you reach out to a local seasoned investor and have them run your #s with you, as the #s depend on how you manage it (how hands on you are) and also local pricing.

I have 3 accounts per property which helps me leverage APY on savings accounts, prevent funds from being comingled, and easily set up auto payments for things like mortgage payments and utilities. 

Alternatively, platforms like Twilio provide excellent customization but might require more technical setup for Podio.

It seems like your goal is appreciation or that you are willing to sacrifice cash flow for appreciation, as long as your return is trending in the right direction.

Prices in Detroit are likely to keep going up.

@Guifre Morai am searching for a HELOC or refi so I have some capital to take advantage of any future deals, sounds like HELOCs have been frozen, anyone have any info.

We would like to refinance as soon as possible after the build to recover all or most of our initial investment.

Wholesaler relationships, or using tools like PropStream while driving neighborhoods to identify distressed properties, and REI meetups as deals can come from relationships.What strategies have worked best for you so far?

Some brokers (like this one) work with 220+ lenders.

I'd also like to plug Bigger Pockets because of what you said, but also because of the education you can get here on the website.